What is difference between stringbuffer and string?
Can java program run without jre?
How do you achieve singleton?
What is meant by local variable and instance variable?
Explain the features of java?
what is difference between colection and collections?
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What will be the default values of all the elements of an array defined as an instance variable?
What modifiers are used for interface declaration?
What is the difference between object oriented programming language and object based programming language?
How do you define a parameter?
How do weakhashmap works?
garbate collector(GC)?
What is a type parameter in java?